Vailaʻau o le cellulose ether erstricats
Ua maua e Celpuselosese o sela o Cellulose, o se natura polysaccharide o loo maua i totonu o le sela puipui o laau. O le vailaʻau o le sela cellulose e faʻaalia i le folasaga o le Eteru vaega e ala i le vaifagafa o le hydroxyl. O ituaiga taatele o sela e aofia ai:
- Hydroxypropyl methylcelsulose (hpmc):
- Fausaga:
- O le HPMC e faʻapipiʻiina i le sui o le hydroxyl vaega o celfulose ma le hydroxypropyr (-och2choch3) ma methyl (-och3)
- O le tikeri o le suia (DS) faʻailoa le averesi o numera o le Hydroxyl vaega i le Gluccose iunite i le sela coupolose.
- Fausaga:
- Carboxyymethyl cellulose(CMC):
- Fausaga:
- O le CMC e gaosia e ala i le faʻalauiloaina o carboxymethymethyl (-ch2cooh) vaega i le hydroxyl vaega o celsulose.
- O le Carloxyymethyl Group o loʻo tuʻuina atu le vai o le sobility marimility ma le amio i le sela coullsulose.
- Fausaga:
- Hydroxyedyl cellulose (hec):
- Fausaga:
- O le hec e maua mai i le suia o le hydroxyl vaega o celfulose ma hydroxythyl (-och2choh) vaega.
- Na ia faʻaalia le lelei o le vai vai ma le mafiafia o meatotino.
- Fausaga:
- Methyl Cellulose (MC):
- Fausaga:
- O le MC e gaosia e ala i le faʻalauiloaina o Methyl (-och3) vaega i le Hydroxyl vaega o Celsulose.
- E masani ona faʻaaogaina mo lona vai taofiga ma ata tifaga-faʻatino meatotino.
- Fausaga:
- Ethyl Cellulose (EC):
- Fausaga:
- O le EC o loʻo faʻapipiʻiina e le suiina o le Hydroxyl vaega o Cellulose ma Ethyl (-oC25) kulupu.
- Ua lauiloa o lona aofia ai i le vai ma e masani ona faʻaaogaina i le gaosiga o faʻailoga ma ata puʻe.
- Fausaga:
- Hydroxypropyl cellulose (HPC):
- Fausaga:
- E maua le HPC e ala i le faʻailoaina o le Hydroxyproxyl (-och2chohch3) vaega i le hydroxyl vaega o sela sela.
- O loʻo faʻaaogaina o se fusi, ata tifaga, ma viscoscosm faʻalelei.
- Fausaga:
O le fausaga faʻapitoa eseese mo celsulose taʻitasi Eteru e mafai ona faʻaosofia i luga o le ituaiga ma tikeri o le suia i le vailaʻau o fesuiaiga. O le faʻalauiloaina o nei vaega o loʻo tuʻuina atu mea taua uma i le GAFAULOYES Eteru, ma faia ia latou talafeagai mo talatalanoaga eseese alamanuia.
Taimi o taimi: Jan-21-2024